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Files on Bitcoin
Every B:// file in the blocks Bitblocks stores, newest first. Each one is read from its transaction as this page loads.
B:// is the file protocol unwriter published in 2019: a file's bytes, media type and name in one transaction output.
A file's C:// address is the sha256 of its bytes, so every copy of the same file shares it.
Files open at
/b/<txid>
as untrusted content, with scripts switched off.
| File | Type | Size | Block | C:// address | Transaction |
|---|---|---|---|---|---|
| file.txt | text/plain | 151 B | 955,441 | c://274f2315…e09a6a89 | 7bdf603a…5bb7d531 |
| untitled | text/markdown | 63 B | 955,441 | c://2f9a7304…d5d8ab11 | b762b1c7…a1455c7f |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | 04b656a5…c4e6259f |
| untitled | text/markdown | 17 B | 955,441 | c://d7778ede…03f83013 | 0f460703…24862ce9 |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | 1f45199b…4b396a2e |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | 0665e0d8…e728ac48 |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | 93b0a9cc…0104968f |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | f1b61ef0…607dce53 |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | e3b81ea3…784963ad |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | f46dcf44…b77f6495 |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | cbd581c7…f965ea03 |
| untitled | text/markdown | 48 B | 955,441 | c://56edd067…0087aacb | fd34275b…d8e33262 |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | dc470eb1…730c70f4 |
| untitled | text/markdown | 6 B | 955,441 | c://cd36e2f4…d80ba324 | 3cac3a4f…e0cddc57 |
| No B:// file could be read from this transaction. | 955,441 | 393fca3b…1e65d1eb | |||
| file.txt | text/plain | 1,392 B | 955,441 | c://dc3f78d5…5cddfcd6 | 3a0b5c0f…bee0ce7e |
| file.png | image/png | 610,090 B | 955,441 | c://4a2beab2…559fe5e9 | 4b2d7229…eb8fc445 |
| file.txt | text/plain | 980 B | 955,441 | c://d7adb2cc…777aca96 | 006fc170…aedddeec |
| untitled | text/markdown | 70 B | 955,441 | c://52bbb2a3…b21cd661 | 5004fdc3…4d582c82 |
| file.txt | text/plain | 21,537 B | 955,441 | c://95d87e16…b45ed391 | f96a5233…b96823e9 |
| file.txt | text/plain | 1,620 B | 955,441 | c://cb638d50…237a5b99 | 362a3e6d…92fc7b76 |
| file.txt | text/plain | 980 B | 955,441 | c://e23dd89d…47e73756 | 5217732e…41df6580 |
| file.txt | text/plain | 980 B | 955,441 | c://08def228…305423f0 | 6f4b4a21…2c20d767 |
| file.txt | text/plain | 66,715 B | 955,441 | c://c42964d9…757e7c61 | ef8f6950…66c6067e |
| file.jpeg | image/jpeg | 622,662 B | 955,441 | c://def24983…4d33d6c2 | 936f528b…ef356022 |
The list grows as the sync stores more blocks. B:// and C:// are unwriter's conventions; this is an independent reading of them from the chain. For a namespace's own files and routes, see the Bitcom registry .